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2011010101984 = 25135163193629
BaseRepresentation
bin11101010000111001100…
…010101111001011100000
321010020202202021222112001
4131100321202233023200
5230422022041230414
64135502325413344
7265201463553532
oct35207142571340
97106682258461
102011010101984
11705956859424
122858b726a254
131178395b7b10
146d494c2d852
153749e8b5074
hex1d4398af2e0

2011010101984 has 48 divisors (see below), whose sum is σ = 4263856269120. Its totient is φ = 928130618880.

The previous prime is 2011010101931. The next prime is 2011010102027. The reversal of 2011010101984 is 4891010101102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21431682 + ... + 21525310.

It is an arithmetic number, because the mean of its divisors is an integer number (88830338940).

Almost surely, 22011010101984 is an apocalyptic number.

It is an amenable number.

2011010101984 is an abundant number, since it is smaller than the sum of its proper divisors (2252846167136).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2011010101984 is a wasteful number, since it uses less digits than its factorization.

2011010101984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145283 (or 145275 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 28.

The spelling of 2011010101984 in words is "two trillion, eleven billion, ten million, one hundred one thousand, nine hundred eighty-four".

Divisors: 1 2 4 8 13 16 26 32 52 104 208 416 51631 93629 103262 187258 206524 374516 413048 671203 749032 826096 1217177 1342406 1498064 1652192 2434354 2684812 2996128 4868708 5369624 9737416 10739248 19474832 21478496 38949664 4834158899 9668317798 19336635596 38673271192 62844065687 77346542384 125688131374 154693084768 251376262748 502752525496 1005505050992 2011010101984